Sarah Taylor

Sarah Taylor

Posted December 8, 2012

Published in Health

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The New Vegan Health Issue: Omega 6 : Omega 3 Fatty Acid Ratio

Read More: Vegan, Vegan Health, Vegan omega 6, vegan omega fatty acids

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I’ve already blogged on the vagaries of oil.  You’ll remember back in October of 2011 I made some salient points about the research on oil:

  • The Lyon Heart Study turned olive oil into a health food when they found that the Mediterranean Diet, high in olive oil, helped people who had had at least one previous heart attack reduce their chance of further cardiac events by 50-70%.  HOWEVER, what you never heard was that a full 25% - one out of every four people on the Mediterranean diet – still had another heart event or died.  (de Lorgeril, et al.  Mediterranean Diet, Traditional Risk Factors, and the Rate of Cardiovascular Complications After Myocardial Infarction; Final Report of the Lyon diet Heart Study.  Circulation, 1999 Feb 16;99(6):779-85.)
  • Dr. Caldwell Esselstyn, on the other hand, published his results of patients who had had an average of three previous cardiac events before he put them on a vegan diet with no added fat – including oil – and not one patient ever had another cardiac event in twelve years!  (Esselstyn CB Jr.  Updating a 12-year experience with arrest and reversal therapy for coronary heart disease (an overdue requiem for palliative cardiology).  Am J Cardiology.  1999 Aug, 84(3):Pages 339-341)
  • In yet another study, students were assigned to a group who ate a fat free breakfast of 900 calories versus a fatty breakfast of 900 calories.  The arteries of the group that had no fat in their breakfast bounced right back after being constricted for five minutes; but the arteries of the group that had the fatty breakfast took up to six hours to regain their ability to dilate and contract normally.  All oil is 100% fat.  Even olive oil.  (Vogel RA.  Brachial artery ultrasound: a noninvasive tool in the assessment of triglyceride-rich lipoproteins.  Clin Cardiol.  1999 Jun;22(6 Suppl):II34-9.)
  • Researchers at the University of Maryland found that eating bread dipped in olive oil reduced the arteries’ ability to dilate by 31%.  (Vogel RA, Corretti MC, Plotnick GD.  The postprandial effect of components of the Meditterranean diet on endothelial function.  J of Amer Col Card.  2000 Nov;36(5))


In addition to all this disconcerting research on oil’s affects on your heart and blood vessels, there is new evidence that vegans may be putting themselves at a health risk that meat and dairy eaters don’t face to the same extent:  Their omega 6 versus omega 3 fatty acid ratio is dangerously high. 

Omega 6 fatty acids have the potential to increase blood pressure, inflammation, platelet aggregation, thrombosis, vasospasm, allergic reactions and cell proliferation; omega 3 fatty acids have the opposite affects.  We need both, but we don’t want to let omega 6 fatty acids get too high in our bodies compared to our omega 3s.  A healthy omega 6:omega 3 ratio is approximately 4:1 - 6:1.  However, now that the vegan diet has become so popular and physicians are getting more data about vegan health, they are finding that, while other measures like cholesterol, blood pressure and glucose levels are astoundingly good, the omega 6:omega 3 ratio is not:  Many vegans’ ratio is shockingly high – even as high as 120:1.

If the vegan diet is so healthy, why are many vegans’ omega 6:omega 3 ratios so bad?  Because many types of oil are high in omega 6 fatty acids, and most vegans eat diets high in oil.

Omega 6 and Omega 3 essential fatty acids compete for enzymes involved in their conversion, so eating high amounts of omega-6 fatty acids can compromise the omega 3’s ability to work, and this can harm your health and cause disease.  If you use huge amounts of oily salad dressings, eat out at restaurants often, or cook with a lot of oil, you could actually be putting yourself at a high risk for future health problems. 

Here are some tips from Brenda Davis, RD, for keeping your omega 6:omega 3 ratio healthy as a vegetarian or vegan:1

  1. Avoid the worst types of oil for their high omega 6 acids: corn, grapeseed, safflower, sesame and sunflower oil. 
  2. Include omega 3s in your diet by eating flaxseeds, hempseeds, walnuts, green leafy vegetables and soybeans.
  3. If you are going to use oil, use flax oil, hempseed oil or canola oil.
  4. Avoid saturated fats.  Vegans can do this easily by avoiding coconut and tropical oils.

Be healthy!  Don’t assume that as a vegan, you are immune to disease and poor health.  There are still a few things that you need to be mindful of to have optimum health, and eating a diet with an appropriate omega 6:omega 3 ratio is one of them!




12 Comments | Leave a comment


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Shellie Zaleta · Top Commenter · Trumbull High School

I'm a plant based vegan for the past 2 years. I don't use oils. This past blood work my cholesterol was up, HDL down, trigly down, The results of my EFA test show 13 of the 26 tests run that 12 are flagged red high, and 1 flagged low. My omega 6 and 3 are high. I don't know how this can be. I use flax seed, chia or hemp seeds, and I take a vegan DHA/EPA purity supplement. I cannot find anyone to help me to understand why my numbers are off the chart high. Any ideas? I am seeing a nutritionist, but have gotten no answers fo far. She is not a vegan. I am at a loss as to how to lower my numbers.


Hi Shellie,
I would suggest entering all your food intake into to see if you have any imbalances. (Maybe you've already done this of course.) Other nutrient imbalances may explain poor absorption sometimes, as far as I've come to understand.
I'm vegan since january, and I've been using it for a while to see I meet my dietary requirements. I've found it very useful.
Good luck.


Hi Shellie,

You seem to be an usual case. I would highly recommend one of two routes: First, if you aren't already eating a really clean diet, do that for three months and then re-test. My personal opinion is that Joel Fuhrman's book, "Eat to Live", and Caldwell Esselstyn's book "Prevent and Reverse Heart Disease" outline the healthiest diets. Pick one and try it religiously for three months and then get tested.

If you already eat strictly along those diet styles, then my second suggestion would be to get an appointment with a physician that specializes in the vegan diet. My top pick would be Joel Fuhrman, as I know he can do phone consultations. Michael Klapper, Michael Greger and John McDougall would also be good choices. I don't think Esselstyn still sees patients, but he'd be a great choice too if he is.

Unfortunately most doctors and nutritionists are NOT experts in this area and don't really understand the research as well as they think they do. So, don't waste anymore time or money - go get a professional opinion who specializes in exactly this type of issue for vegans!



I don't know, I'm still not entirely convinced, since Jeanne Calment was reported to pour olive oil on just about anything she ate. She went on to become the officially oldest living person in history. Needs more research in my opinion.



العاب بنات بنات موقع العاب للبنات فقط يختص بتنزيل جميع العاب الطبخ الجديدة في عالم العاب الفلاش الاون لاين يتميز موقع العاب طبخ بوجود العديد من المشرفين والمديرين لكي يقومون بوضع جميع الالعاب بشكل يومي العاب تطرح لاول مرة في العاب طبخ رورو للفراخ وللحمام وهناك العاب طبخ لجميع الاكلات المشهورة , مكرونة بشاميل , كبدة , وجميع انواع اللحوم الاخري لذلك الان يجب اختبار قدرتك الحسية علي الطبخ فهل انتي قادرة علي هذا التحدي انه التحدي الاكبري علي الاطلاق
العاب طبخ لن تجدها الا هنا كما يتميز موقعنا بانه الموقع الاول في الاستماع الي زواره الكرام حيث ااذا اردتي سيدتي اي لعبة يمكنك طرحها فقط علينا عن طرق فورم اتصل بنا وسيتم الرد عليكم باللعبة المراد تنزيلها ان شاء الله ماذا تنتظر الان ابدأ اللعب مع اجمل العاب بنات الرائعة اذا كنتي تبحثين عن اجمل الوصفات والاشهر في العالم اذا نحن هنا في العاب طبخ جميلة جدا نمكنك من وضع يدك واولي الخطوات لتعليم الطبخ فهناك العاب طبخ رورو مساعدة لتعلمك خطوة بخطوة طريق تحضير الاطباق المميزة لديك فمثلا يوجد اشهر الوصفات التي يوصفها اشهر الشيفات علي مستوي العالم الغربي والعربي فأذا كنتي تلحمين ان تكوني مثل والدتك او تكوني مثل احد الشيفات المشهورات بالخارج كل ما عليك فعله هو التنقل من داخل لعبة طبخ بنات الي اخري لكي تكوني علي اتم الاستعداد للتعلم وفي النهاية نصيحة خاصه يجب ان يضاف له كل شخص اضافة مميزة فيجب عليكي سيدتي ان تقومي بوضع اللمسة الفنية الخاصه بك في اي وصفة تخصك انتي فقط لانها بالفعل تفرق جدا العاب الطبخ في التفرقة بين شيف والاخر اطبخي طبخا في المطبخ


العاب تلبيس بنات العاب جميلة جدا العبي الان اجمل العاب تلبيس بنات الحصرية علي موقع العاب رورو كما يمكنكي لعب
لعبة زوما بجانب العاب تلبيس بنات الرائعة كل هذا وحصريا علي العاب طبخ رورو العاب قمة في الجمال والروعة العاب زوما كليا واون لاين العبيها الان ولا تدعي فرصة رائعة ومميزة العاب طبخ فلاش مميزه جدا العبي الان اجمل العاب رائعة جدا جدا العاب فلاش
العاب طبخ جديدة كليا العاب طبخ رورو معروفة جدا العاب طبخ رائعة
العاب طبخ معروفة جدا وبنات
طبخ مكرونة رورو
العاب طبخ موز
العاب رورو
العاب طبخ 2017
العاب طبخ برجر
طبخ تشورس
العاب طبخ سارة
لعبة الشيف
العاب طبخ رورو


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